Dolphin M400

A spotless clean for your deep pool

The Dolphin M400 is extremely powerful when it comes to scrubbing and filtering. This Always Connected cleaner allows you to schedule weekly cleanings and spot clean with the new MyDolphin Plus app.


Download Owner’s Manual


Primary Specs
Weekly Timer Yes
Automation Mode Yes
Delay Feature No
Robot Weight 26.967 lb
Package Dimensions 23.661 x 19.331 x 19.567 inch
Pool Size/Cable Length 60 ft
Gross Weight 52.92 lb
Filter Type Fine Filter Kit
Additional Filter in the Box Ultra-Fine Filter Kit
Filter Access Top Access
Cleaning Coverage Floor, Walls and Waterline
Full Bag Indicator No
Waterline Scrubbing Yes
Enhanced Cleaning Cycles No
Default Cycle Time 2.5
Active Brush Yes
Number of Brushes 3
Brush Type Standard Brush
Anti Tangling Swivel Yes
Suction Rate 4500 gph
Maximum Pool Size 50 ft
Pool Classification In Ground
Pool Shape Rectangular, Round, Free Shape, Kidney
Warranty 3 Years
Caddy or Stand Included Caddy
PS Output Max Current A 6
PS Input Frequency HZ 50/60
PS Input Max Current A 2
Remote Control No

Best Performance

Designed for 21st-century pool owners, meet our smartest, most advanced robotic pool cleaners, here to deliver a whole new level of pool cleaning performance. Each model is masterfully crafted to provide incomparable pool scrubbing and cleaning, with a cutting-edge water filtration system, and the best warranty on the market. As part of their advanced design, our best performance Dolphins also include cloud-connectivity via ‘MyDolphin™ Plus’ mobile app, giving you ultimate cleaning and complete control anytime, anywhere.



No extra equipment needed. Just plug it in, drop into the pool, for a hassle free clean.

Easy Access Filter

Top-load filter access for super-easy cleaning

MyDolphin™ Plus Mobile app

Smart control of your Dolphin – from anywhere, anytime!

Waterline Scrubbing

Super efficient on vertical surfaces for optimal waterline scrubbing